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Username Post: Manual vs. Power Disk Brakes        (Topic#359825)
cware 
Poster
Posts: 70

Loc: Norman, Ok
Reg: 06-15-12
02-15-20 09:07 PM - Post#2786618    

Of all you guys who have converted to disk brakes, did you choose to go with power brakes or manual? Can you also explain why one over the other? Thanks.


1966 Biscayne 2 door


 


sz0k30 
"11th Year" Gold Supporting Member
Posts: 454
sz0k30
Loc: Oakland Co., Michigan
Reg: 10-12-08
02-16-20 07:44 AM - Post#2786629    
    In response to cware

For me the answer is real simple. Its the word "Power". The system provides it so you don't have to.



 
Shepherd 
Frequent Contributor
Posts: 2009

Loc: Lake George, NY
Reg: 11-11-15
02-16-20 08:52 AM - Post#2786632    
    In response to cware

I would also recommend power, as disc brakes require more pedal effort, to overcome that without power you need a higher pedal ratio.



 
cware 
Poster
Posts: 70

Loc: Norman, Ok
Reg: 06-15-12
02-16-20 11:42 AM - Post#2786654    
    In response to Shepherd

Ok thanks. I assumed as much but I read or saw in som video how some people preferred the feel of manual disks as opposed to power. I’ve ordered my big brake kit from CPP but it doesn’t come with the master cylinder or booster. Are most people using the factory style setup for both? I assume it would be adequate enough.

1966 Biscayne 2 door


 
Shepherd 
Frequent Contributor
Posts: 2009

Loc: Lake George, NY
Reg: 11-11-15
02-16-20 12:17 PM - Post#2786659    
    In response to cware

Booster design or capacity depends on available vacuum. The stock design is OK for mild engines, you need around 15-16" of vacuum. Less than that a larger capacity unit or a back up source may be required .



 
cware 
Poster
Posts: 70

Loc: Norman, Ok
Reg: 06-15-12
02-16-20 12:45 PM - Post#2786661    
    In response to Shepherd

  • Shepherd Said:
Booster design or capacity depends on available vacuum. The stock design is OK for mild engines, you need around 15-16" of vacuum. Less than that a larger capacity unit or a back up source may be required .



My car will have a mostly stock 6.0 LS. Would stock design be sufficient? Any guys with LS swaps that can shed some
light on this? What setups did you guys go with?

1966 Biscayne 2 door


 
Shepherd 
Frequent Contributor
Posts: 2009

Loc: Lake George, NY
Reg: 11-11-15
02-16-20 12:54 PM - Post#2786663    
    In response to cware

Get a vacuum Gage on it, see what you have at idle after warmed up.



 
carbking 
Senior Member
Posts: 1491
carbking
Loc: Missouri
Reg: 06-14-03
02-17-20 06:32 PM - Post#2786760    
    In response to Shepherd

Have never done a conversion.

Have had several vehicles with manual disc brakes (some 4-wheel), and others with power discs.

If given a choice, it is manual hands down. I reserve the right to change this opinion should I celebrate over 120 birthdays.

Jon.

Good carburetion is fuelish hot air!

The most expensive carburetor you will ever buy.....is the incorrect one you attempt to modify!

If you truly believe "one size fits all", trying walking a mile in your spouse's shoes!


 
cware 
Poster
Posts: 70

Loc: Norman, Ok
Reg: 06-15-12
02-17-20 07:07 PM - Post#2786762    
    In response to carbking

  • carbking Said:
Have never done a conversion.

Have had several vehicles with manual disc brakes (some 4-wheel), and others with power discs.

If given a choice, it is manual hands down. I reserve the right to change this opinion should I celebrate over 120 birthdays.

Jon.



Can you explain why you feel that way?

1966 Biscayne 2 door


 
carbking 
Senior Member
Posts: 1491
carbking
Loc: Missouri
Reg: 06-14-03
02-17-20 07:38 PM - Post#2786764    
    In response to cware

Better feel of what is going on, and ultimately better control.

The power booster is a buffer between what is felt and what is happening.

Not saying everyone should feel this way at all, but I really prefer manual brakes. Of course, I also prefer manual steering, manual transmission, and manual choke carburetors. I will admit, that as I have grown older, power steering can be useful in parallel parking.

Jon.

Good carburetion is fuelish hot air!

The most expensive carburetor you will ever buy.....is the incorrect one you attempt to modify!

If you truly believe "one size fits all", trying walking a mile in your spouse's shoes!


 


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